Geothermal

The Earth absorbs almost 50% of all solar energy and remains a constant temperature of 50°F to 70°F depending on geographical location. A geothermal unit utilizes this constant temperature for heating and cooling your home.

You can realize up to 60% energy savings vs. traditional systems.  There is no flame, no flue, no odors and no loud outdoor equipment. Heating, air conditioning and hot water can all be attained from a single compact unit.

All-In-One Geothermal Product Offering

Feature Comparison
All-In-One Geothermal Product Offering
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All-In-One Geothermal Product Offering
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All-In-One Geothermal Product Offering
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Product NamePreferred™ Geothermal Heat PumpEvolution® Variable-speed Geothermal Heat PumpLegacy™ Geothermal Heat Pump
Model FamilyGPGCGB
Closed Loop Cooling EfficiencyUp to 24.5 EER Up to 32.0 EERUp to 21.7 EER
Closed Loop Heating Efficiency 3.5 to 4.0 COP Up to 4.7 COP3.7 to 4.3 COP
Energy Star RatedENERGY STAR®ENERGY STAR ®ENERGY STAR®
Refrigerant TypePuron® Puron® Puron®
Sound Level ultra-quiet performanceQuiet operationquiet operation
Blower Motorvariable-speedHigh-efficiency variable-speedMulti-speed
CompressorTwo-stage scrollTwo-stage scrollSingle-stage scroll (2-5 ton); Single-stage rotary (1.5 ton)
Factory Warranty Parts10-year parts and labor limited warranty upon registration10-year parts and labor limited warranty10-year parts and labor limited warranty upon registration
Factory Warranty Compressor10-year compressor limited warranty
Manufacturer's Stated Benefits
  • Superior summer dehumidification
  • Insulated cabinet and compressor blanket for quiet operation
  • Wide operating temperature range with exceptional cold weather performance
  • 2
  • Built-in for easy filter changes
  • Corrosion-resistant coil protection for long life
  • Baked-on urethane base coat and polyester top coat
  • Optimal dehumidification capability with the Evolution Connex™ control
  • Enjoy the ultra-quiet performance and even-temperature comfort of variable-speed air delivery
  • Superior summer dehumidification
  • Smart startup for smoother operation
  • Insulated cabinet and compressor blanket for quiet operation
  • Wide operating temperature range with exceptional cold weather performance
  • Corrosion-resistant coil for durability
  • Insulated cabinet for quiet operation
  • Wide operating temperature range with exceptional cold weather performance
  • Corrosion-resistant coil for durability
  • 2
  • Filter cabinet Built-in for easy filter changes
  • Baked-on urethane base coat and polyester top coat